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by Jakub

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Flash is a device which provides additional light to a scene. It can be used to help fill in a dark area of a photo, to provide light if there isn't sufficient light to begin with, or it can help to improve the composition of a particular photo, by creating your own source of light.

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2
votes
1answer
186 views

What flash guide number do I need to underexpose a “sunny” background?

I'm familiar with the maths behind flash usage (guide numbers, etc.). Here's a more practical question that doesn't yet seem to have an answer on photo.se: Consider a subject, outdoors, on a regular ...
4
votes
3answers
634 views

How can I improve the dull colors in my product photography?

I try to shoot some pictures of apparel, lingerie, cometics on a white fluffy rag or a white paper board with a Canon EOS Rebel T2i + a Canon - Speedlite 270EX II External Flash on a tripod in day ...
1
vote
2answers
461 views

onboard flash and external flash, flashing at the same time

Any thoughts as to why my on board and my new speedlight would be flashing at the same time? I have gone through the manuals and nothing seems to suggest a fix.
1
vote
3answers
136 views

Correct flash zoom level for small diffuser box?

I recent bought a Lasolite Ezybox Speed-Lite 22 x 22cm on flash softbox diffuser. I like to try and use manual flash settings where possible (especially on my Yongnuo radio flash which is only ...
3
votes
2answers
364 views

UV-coated vs non-UV-coated flash tube/dome - UV eye hazard?

NOTE: there have been many edits to this question as I understand more and more, so answers might not be totally relevant to the question, sorry for this all... My concern is: all the current flash ...
2
votes
3answers
868 views

How to stop built-in flash from pre-flashing?

Canon T2i keeps shooting pre-flashes; I have set the dial to "MAnual" (M) Im trying to trigger another separate flash optically-wirelessly with the in-camera flash but preflashes cause it to go off ...
0
votes
0answers
102 views

How can I fire a Sigma 610dg Super with a TriggerTrap Flash Adapter?

I have a Sigma 610dg super flash that I wish to trigger with the TriggerTrap flash adapter (tt-fa1). Sadly I cannot make this work. I have tried two different TriggerTrap dongles but the flash never ...
3
votes
3answers
746 views

Why does my Neewer external flash take a long time to recharge?

I am using a Neewer TT520 flash with a Nikon D7000. I am new to flash photography. When I mount it on camera I noticed that at times the flash didn't fire. I've spent some time researching it and ...
1
vote
3answers
290 views

When you shoot flash through an umbrella, does it change the color of the flash light?

Does the umbrella cloth (or whatever material it is made of) act as a filter and modify the original color temperature of flash?
0
votes
2answers
547 views

Why do some umbrellas have black cover instead of silver?

Or what is the use of a black cover instead of a silver one? I have the idea that the black (only) removable cover of some umbrellas is rather an incomplete product. Is that so? I'll try to ...
2
votes
2answers
163 views

Practical difference between TTL and flash sensor

On an speedlite 600EX-RT, what is the practical difference between E-TTL II and Ext. A? I know the technical one, but how does it change flash exposure if you measure through the flash sensor rather ...
3
votes
2answers
2k views

What causes the shadow at the bottom of this photograph?

I just got a new (to me) Nikon D70s to see if the DSLR world is right for me. My dad took this picture of me: In the middle of the bottom there's a rather large semicircle of shadow. Is this caused ...
1
vote
1answer
93 views

Why are relationships among flash and ambient expressed as percentages but among main and fill expressed as ratios?

Why are relationships among flash and ambient expressed as percentages like 10% but among main and fill expressed as ratios like 3 to 1?
2
votes
4answers
155 views

Is this statement By Jim Zuckerman incorrect?

"For the exposure of the foreground, though, the lighting came from the flash only. Therefore, changing the shutter speed didn’t affect the exposure of the subject, since the speed of light is faster ...
0
votes
1answer
113 views

Low light photography: which avenue of gear improvement? [closed]

When you see something to be desired in your photo, it can be as much your technique as the limitation in your gear. But I'm pretty confident that I've hit the limitation of my gear for low available ...
1
vote
2answers
1k views

Why isn't my Canon Speedlite 580 working on my 5D Mark II?

I was shooting at night and my flash was working perfectly, all of a sudden I tried taking another picture and it stopped working. I was using it on ETTL mode, the pictures looked underexposed with no ...
2
votes
2answers
193 views

To get a main to fill lighting 3 to 1 ratio you divide your main f/ number by 3?

I have read this information off a popular Photography site ; I am confused because I tought that for a ratio of 3:1 you need to set your main light to say: f/8 and your fill only one full stop down, ...
0
votes
2answers
144 views

Canon Flash Slave: 550 or 430 ex ii

I have a Canon 580 exii, now i am looking for a cheap slave either canon 430 mark ii or canon 550. not sure what should i pick?
0
votes
2answers
62 views

Why won't shutter release when in flash mode?

I bought a used Nikon D3100 and cannot get the shutter to release in flash mode. The camera works great as long as it is not calling for flash. Not sure what to try or do.
1
vote
3answers
530 views

Is this tutorial about fill flash percentage wrong?

I saw an interactive tutorial at http://www.sekonic.com/classroom/fillflashtutorial.aspx,, it talks about how to control the proportion of fill flash relative to ambient light. In it, they illustrate ...
0
votes
2answers
391 views

How can I use a wireless trigger with a Sigma flash and a Nikon D3000?

I have a Nikon d3000 - jjc wireless flash trigger kit & Sigma EF 500 flash. I have a hotshoe & tripod also. I can get it to work together only when I am less than a foot away. I have 2 sets of ...
2
votes
1answer
201 views

Can I configure my Sony A57 screen and viewfinder display to brighten with a manual flash, just like with the popup flash?

When I pop up the built-in flash on my Sony Alpha 57, the LCD and electronic viewfinder brighten up a lot, so I can focus properly in low light situations. However, when I put on my Yongnuo 560 mkII, ...
1
vote
1answer
220 views

Why does my flash keep turning itself off?

I attached my Canon 580EX flash to my Canon 6D this evening to take some Halloween shots. Although body and flash usually work seamlessly together, tonight I noticed that the flash kept turning itself ...
1
vote
2answers
3k views

nikon d3100 built in flash not working

I’ve been using my D3100 for awhile now. Today I took a few pictures using the flash and everything worked fine. After that I spent some time exploring menu set-up options and played with a few ...
1
vote
2answers
893 views

PC Terminal vs Hot Shoe

It says here, PC Terminal and Hot Shoe are both types of flash sync connections. If that so, then what are their differences and primary uses? I'm a little confused about it because I understand ...
2
votes
0answers
221 views

Rule of thumb for manual setting of flash for daylight fill? [duplicate]

I have a number of systems but have TTL flash only on one system. On another system, I use a non-TTL flash (generic) flash in either auto or manual mode. Past experience tells me that using a generic ...
1
vote
2answers
6k views

Do Canon 430EXII speedlite flash units have an optical slave function?

Before I buy , i want to make sure: will a 430exII fire by "seeing" the light burst from other flash sources? and if not, what canon speedlite can do this?
3
votes
2answers
2k views

canon speedlite manual :what is stroboscopic flash?

In page #37 of the sppedlite 430exII manual, it says : Features available with type B cameras: Manual flash, stroboscopic flash with wireless flash" What the book means by "stroboscopic flash" Isn't ...
2
votes
3answers
620 views

Why does my nikon flash fire 3 short flashes before the full flash goes off?

I have a Nikon D200 and I'm using the SB 800 flash. I've been using this flash for a year and now when I take a shot the flash pops 3 short flashes and then the shutter engages and the full flash goes ...
4
votes
1answer
252 views

Will a low-cost macro ring flash be useful for portraits?

A friend of mine wants a flash for her camera (Cannon 650D), and we want to buy her one for her birthday. She also said she wanted a ring flash (I think she was referring to the Orbis ring flash). ...
3
votes
2answers
363 views

Hotshoe flash with adaptable color temperature?

The dual LED flash in the iPhone 5s allows changing its color from white to amber, to approximate the color temperature of ambient light. dpreview.com writes: In fact, it features the first ...
0
votes
2answers
145 views

using flash and av mode

I shoot with canon 1000d and in av mode. I prefer not to use flash but some times i use it (built in) to fill-in dark in day light. Flash make my photo too much over exposed. Any suggestion for ...
2
votes
1answer
112 views

How can I use the built-in flash with a legacy prime on a Nikon D3100?

I purchased an older 50mm prime lens to use on my Nikon D3100. I know it will not meter or focus (and I can handle manual focus and exposure etc.) but I cannot get it to fire the on-camera flash. Any ...
18
votes
5answers
2k views

How to explain to your client that a camera flash does no harm to infant?

Firstly, it is pretty definitive that a camera flash will cause no harm to infants (see below): Is camera flash actually harmful to infants or newborns? My question targets photographers who had ...
1
vote
2answers
734 views

The best flash setup and postion for a portraits and groups shots in a low light room?

I am an beginner photographer and I was "hired" to cover a company final year party. The idea is take group shots or portraits and print "on the fly" the pictures, then the guests can see and take the ...
1
vote
4answers
2k views

Does Canon 450D (Rebel XSi) have TTL ratio control over the menu?

There is "External flash control" section in the camera's menu. However it is not accessible if you have no external TTL flash on hand. How can I find out is there ability to change the output power ...
2
votes
1answer
355 views

What Ever Happened to Hologram AF?

I'm currently using it in my Sony DSC-F828 and I think works very well especially in low light condition. I've read a lot of hypothesis about it but anyone know for sure why modern cameras don't use ...
3
votes
3answers
2k views

How to correctly expose when using a flash?

I have been using the Manual mode ever since I picked up my Nikon D3200 about 6 months ago. I am pretty well versed with the exposure triangle & how to use it. However, recently - I am starting ...
2
votes
3answers
894 views

How do I determine whether flash fired or not?

For example, I use a regular cropped DSLR (like Canon 400D (Rebel XTi)) and I use an external ON-camera flash (mounted on the camera's shoe). How do I determine by looking over the description within ...
2
votes
3answers
365 views

How to adjust the flashlight properly when to take a headshot?

I want to do indoor head-shot in a low light situation. What is the right way to adjust the flashlight pointing angle to receive the best out of it. PS : I use Nikon D3200 with 35mm f/1.8g lens and ...
1
vote
2answers
167 views

My D3100 takes longer exposure shots instead of using the flash

Both the camera and the Flash are in AUTO, so in low light it should make the flash pop up, but it does not. Instead it just seems to take a shot with longer exposure, making the photo appear with ...
0
votes
1answer
380 views

Nikon D70 and Sigma EF-500 DG Super NA-iTTL Flash

I have a D70 and Sigma flash gun, which I understand should work with the camera. I have read it is important to have the iTTL versions of the flash gun for it to be able to work with the iTTL ...
4
votes
2answers
216 views

What's the point of a removable umbrella cover?

I'm new to off-camera flash and looking to buy some gear (stands, umbrellas, etc.). I've seen some umbrellas that have a removable black cover, like this one: I assume that you add the cover when ...
1
vote
1answer
78 views

Combinig external flash with ring flash - viable?

I have a Nikon SB900 which I use exclusively for macro photograhpy. Would it be a good idea to combine in with a ring light/flash for some extra fill light? Or would it be better to buy another ...
0
votes
1answer
399 views

Where can I get a replacement case for my Nikon SB400 flash?

I've lost the case for my SB400 Nikon flash and am having a devile of a time finding a replacement. I've Googled and so far, no luck. Any ideas?
3
votes
1answer
304 views

Can anyone offer me some shooting advice for a wedding ceremony?

I will be taking some photos at a friend's wedding. Mainly the ceremony. It will be outdoors in some very nice gardens and a little before sunset, around 6.15pm while sunset is at 7.20pm in that city. ...
3
votes
4answers
359 views

With a limited budget, how should I invest between flash power and light modification?

I just bought a yn-622c for my t3i and I want to also pickup the lastolite ezybox 24" softbox. My main concearn is that the 430ex ii will be too weak to shoot in a softbox from several meters. Does ...
3
votes
3answers
1k views

How to illuminate an outdoor night time portrait with a cityscape background?

I encountered this problem the other day at one of the many skybars in Bangkok. I wanted to take some photos of my friends enjoying their drinks, but the situation had a few challenges; the only light ...
8
votes
2answers
771 views

Why is there still a flash before my exposure when using second curtain sync?

When I used second curtain sync on my Canon DSLR, I noticed that the camera flashes twice: once when the shutter opens and the other time when the shutter is about to close. (I noticed that because I ...
2
votes
1answer
393 views

How should I do a DIY set up for shooting clothing items?

I need to make a photo shoot of clothing articles (headbands, headscarves, etc) for an online store. I tried building a lightbox the other day (cheap way) and then put a light from the top. It was ...